Senior Network / Firewall Specialist & Engineer

Experience 5+ years

Location – Bangalore

Hybrid model

Rotational Shift - IST, 10:00–18:00 (weekend on-call)

Role Summary

The Senior Network / Firewall Specialist & Engineer is a hands-on execution role within Pod A, responsible for core operations and incident handling during Shift 1 (IST) coverage. This person performs the build, migration, upgrade, validation, and decommissioning work for in-scope Fortinet firewalls under the direction of the Pod Network Architect.

Key Responsibilities

* Rack, stack, power up, and baseline-configure target FortiGate 1800F devices; integrate with DNS, NTP, SNMP, Syslog, and CMDB.

* Execute FortiOS 7.2.9 upgrades with pre-upgrade health assessments, HA synchronisation validation, and post-upgrade stability monitoring.

* Migrate firewall rules, NAT policies, and routing using FortiConverter; complete rule-by-rule validation against the source configuration.

* Run automated config backup, ping/health-diff, and pre/post validation using Ansible and Python tooling.

* Perform parallel-deployment cutovers, validate service and traffic flow, and execute rollback testing where required.





* Handle incidents and troubleshooting during the shift; capture RCA inputs and escalate complex issues to the Pod Architect.sssss

* Decommission legacy 1500D / Cisco FPR-4110 hardware, remove stale configs/dependencies, and update diagrams and runbooks.

Required Skills & Experience

* 5+ years hands-on network/firewall engineering, with solid Fortinet FortiGate operations and upgrade experience.

* Practical FortiConverter migration, FortiManager/FortiAnalyzer operations, HA, NAT, routing, and policy configuration.

* Exposure to multivendor environments (Palo Alto, Check Point, Cisco ASA/NGFW) and DC cutover execution.

* Scripting/automation experience with Ansible and Python for config provisioning, backup, and validation.

* Comfortable with structured change processes, weekend cutovers, and detailed validation/documentation.

* Available for IST (10:00–18:00) coverage including weekend on-call during cutover windows.

Certifications (Preferred)

* Fortinet NSE 4 / NSE 5 preferred.

* CCNA/CCNP Security or equivalent an advantage.

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